MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f78fc5a1fff341c00583c7276902f0efb6a9edefe1bbd327d72fa1cc7311eee. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



AgentTesla


Vendor detections: 19


Intelligence 19 IOCs YARA 19 File information Comments

SHA256 hash: 4f78fc5a1fff341c00583c7276902f0efb6a9edefe1bbd327d72fa1cc7311eee
SHA3-384 hash: 553859cfce0644de6305583b210a7255cda6b4d680c158ad9fb0e62d5413b854feb581076a74bf71abfaf61f8c429002
SHA1 hash: 87d1fe176708d762d7c4218a71ff2ba8e0098c63
MD5 hash: a4ba482014b7881e331029d59c1fd739
humanhash: happy-speaker-robin-violet
File name:4f78fc5a1fff341c00583c7276902f0efb6a9edefe1bbd327d72fa1cc7311eee
Download: download sample
Signature AgentTesla
File size:245'760 bytes
First seen:2026-07-14 09:40:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'115 x AgentTesla, 20'117 x Formbook, 12'357 x SnakeKeylogger)
ssdeep 3072:7YrKayCK3qwf6i+L+5IkGTHo9rG8KaG5jnThQSoufzz:qKayCKaoZBssq8KaWTu
TLSH T16B340F027F88EB15E1A97E3782EF2C2453B2B4C71733C60B6F49AB5524516826C7E72D
TrID 70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.2% (.EXE) Win64 Executable (generic) (6522/11/2)
4.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter JAMESWT_WT
Tags:AgentTesla exe ftp-enogcaen-br-com

Intelligence


File Origin
# of uploads :
1
# of downloads :
137
Origin country :
IT IT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.9%
Tags:
agenttesla lien
Result
Verdict:
Malware
Maliciousness:

Behaviour
Using the Windows Management Instrumentation requests
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Reading critical registry keys
Launching a service
Changing a file
Creating a window
Stealing user critical data
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
agenttesla agenttesla anti-vm base64 evasive fingerprint hacktool infostealer obfuscated obfuscated reconnaissance vbnet windows
Verdict:
Malicious
File Type:
exe x32
First seen:
2026-06-04T01:42:00Z UTC
Last seen:
2026-06-17T10:05:00Z UTC
Hits:
~100
Verdict:
AgentTesla
YARA:
14 match(es)
Tags:
.Net AgentTesla Executable Managed .NET PE (Portable Executable) PE File Layout RAT SOS: 0.51 Win 32 Exe x86
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Status:
Malicious
First seen:
2026-06-05 11:08:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
30 of 36 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Label(s):
agenttesla
Similar samples:
Result
Malware family:
agenttesla
Score:
  10/10
Tags:
family:agenttesla collection discovery keylogger spyware stealer trojan
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
outlook_office_path
System Location Discovery: System Language Discovery
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Family: AgentTesla
Unpacked files
SH256 hash:
4f78fc5a1fff341c00583c7276902f0efb6a9edefe1bbd327d72fa1cc7311eee
MD5 hash:
a4ba482014b7881e331029d59c1fd739
SHA1 hash:
87d1fe176708d762d7c4218a71ff2ba8e0098c63
Detections:
win_agent_tesla_g2 triage_agenttesla_infostealer
Malware family:
AgentTesla
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:INDICATOR_EXE_Packed_GEN01
Author:ditekSHen
Description:Detect packed .NET executables. Mostly AgentTeslaV4.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store
Author:ditekSHen
Description:Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients
Author:ditekSHen
Description:Detects executables referencing many file transfer clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID
Author:ditekSHen
Description:Detects executables referencing Windows vault credential objects. Observed in infostealers
Rule name:malware_Agenttesla_type2
Author:JPCERT/CC Incident Response Group
Description:detect Agenttesla in memory
Reference:internal research
Rule name:MALWARE_Win_AgentTeslaV2
Author:ditekSHen
Description:AgenetTesla Type 2 Keylogger payload
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:Windows_Generic_Threat_779cf969
Author:Elastic Security
Rule name:Windows_Trojan_AgentTesla_ebf431a8
Author:Elastic Security
Reference:https://www.elastic.co/security-labs/attack-chain-leads-to-xworm-and-agenttesla

File information


The table below shows additional information about this malware sample such as delivery method and external references.

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